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PTINR level dropped all of a sudden
I am taking a blood thinner, Acitrom -3mg due to prosthetic mitral valve replacement and always maintain a INR level 2.0-2.5. Recently, with no changes to dosage and zero Vitamin k consumption, its has suddenly dropped to 1.3 which is dangerous with a prosthetic mitral valve. What could be the reason. This has never happened before in past 5.5 years. I have now increased the Acitrom dosage to 6mg. After how many days shall I go for PTINR test to see an increase.
Answers (2)
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Acitrom has many food interactions, specifically with green leafy vegetables, apart from many drug interactions affecting its metabolism
All the more With a prosthetic mitral valve INR should be between 2.5-3.5 as higher chances of thrombogenecity
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Suddenly doubling the dose to 6mg is not advised
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Repeat INR with 72 hrs of increased dose
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Dr. Abhinav Chhabra
Cardiologist
14 yrs exp
New Delhi
Hi please do not double the dose, we have to increase it gradually
Make it Tab Acitrom 4 mg once daily repeat INR after 5 days
Was there any fever or viral infection recently
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.